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3 years ago

There are 8 pencils in package.how many packages will be needed for 28 children if each child get 4 pencils

1 answer:

7 0

8 pencils = 1 package
28 children need pencils
Each child gets 4 pencils

28x4 = 112 (pencils needed)

112/8 = 14 packages needed.

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2 years ago

An arithmetic sequence has this recursive formula.

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Answer: an=8+(n-1)(-6) .

Step-by-step explanation:

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2 years ago

Select the property of equality used to arrive at the conclusion <br> if x-3=7 , then x=10

Fantom [35]

Answer:

The addition property of equality

Step-by-step explanation:

According to the addition property of equality, if we add the same number to each side of an equation, the equality is still true.

We are given the equation

x – 3 = 7, and we must solve for x.

We want to get x by itself, so we <em>add 3 to each side</em>.

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3 years ago

Amir stands on a balcony and throws a ball to his dog, who is at ground level.

Bumek [7]

Answer:

16 meters

Step-by-step explanation:

The height function is given by:

$h(x)=-(x+1)(x-7)\\h(x)=-(x^2+x-7x-7)\\h(x)=-x^2+6x+7$

The value of x, in seconds, for which the derivate of the height function is zero, is the time at which the maximum height occurs:

$\frac{dh(x)}{dx}= h'(x)=-2x+6=0\\x=3$

For x = 3 seconds, the height is:

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The maximum height that the ball will reach is 16 meters.

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2 years ago

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amm1812

Answer:

this a poem or a part of a song?

Step-by-step explanation:

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2 years ago

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